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IEICE Trans

Hakaru KYURAGI

Fingerprint Image Enhancement and Rotation Schemes for a Single-Chip Fingerprint Sensor and Identifier
Satoshi SHIGEMATSU Koji FUJII Hiroki MORIMURA Takahiro HATANO Mamoru NAKANISHI Namiko IKEDA Toshishige SHIMAMURA Katsuyuki MACHIDA Yukio OKAZAKI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 540-550
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
fingerprint identification, fingerprint sensor, pixel array, pixel parallel, image processing, image rotation, 
 Summary | Full Text:PDF
Pixel-Parallel Image-Matching Circuit Schemes for a Single-Chip Fingerprint Sensor and Identifier
Satoshi SHIGEMATSU Hiroki MORIMURA Katsuyuki MACHIDA Yukio OKAZAKI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 1070-1078
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
pixel parallel, image processing, pattern matching, fingerprint, sensor, 
 Summary | Full Text:PDF
An Adaptive Fingerprint-Sensing Scheme for a User Authentication System with a Fingerprint Sensor LSI
Hiroki MORIMURA Satoshi SHIGEMATSU Toshishige SHIMAMURA Koji FUJII Chikara YAMAGUCHI Hiroki SUTO Yukio OKAZAKI Katsuyuki MACHIDA Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 791-800
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
fingerprint sensor, adaptive fingerprint-sensing, adjustable A/D conversion, fingerprint image quality evaluation, 
 Summary | Full Text:PDF
Ultralow-Voltage MTCMOS/SOI Circuits for Batteryless Mobile System
Takakuni DOUSEKI Masashi YONEMARU Eiji IKUTA Akira MATSUZAWA Atsushi KAMEYAMA Shunsuke BABA Tohru MOGAMI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/04/01
Vol. E87-C  No. 4  pp. 437-447
Type of Manuscript:  INVITED PAPER (Special Section on Low-Power System LSI, IP and Related Technologies)
Category: 
Keyword: 
ultralow voltage, ultralow power, MTCMOS/SOI, batteryless, ambient energy, 
 Summary | Full Text:PDF
The Influence of Stud Bumping above the MOSFETs on Device Reliability
Nobuhiro SHIMOYAMA Katsuyuki MACHIDA Masakazu SHIMAYA Hideo AKIYA Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/05/25
Vol. E83-A  No. 5  pp. 851-856
Type of Manuscript:  Special Section PAPER (Special Section on Reliability Theory and Its Applications)
Category: 
Keyword: 
stud bump, stress, interface traps, hot carrier, annealing, 
 Summary | Full Text:PDF
A 0.25-µm BiCMOS Technology Using SOR X-Ray Lithography
Shinsuke KONAKA Hakaru KYURAGI Toshio KOBAYASHI Kimiyoshi DEGUCHI Eiichi YAMAMOTO Shigehisa OHKI Yousuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/03/25
Vol. E77-C  No. 3  pp. 355-361
Type of Manuscript:  Special Section PAPER (Special Issue on Quarter Micron Si Device and Process Technologies)
Category: Device Technology
Keyword: 
BiCMOS, X-ray lithography, SOR, self-aligned bipolar, metallization, 
 Summary | Full Text:PDF